William Finlay Best (30 May 1865 – 3 August 1942) was an English cricketer.
He was born in Smarden in Kent and died at Ruthin Castle in Denbighshire aged 77.Best was a right-handed batsman and a right-arm slow bowler who played five first-class cricket matches for Kent County Cricket Club.
He made his first-class cricket debut for Kent during the 1890 season against Nottinghamshire.
He played one more match in 1890, one in 1891 and two in 1892.